Macro Tracking App Magic: How Barcode Scanners & Food Databases Power Nutrition Apps
Summary: Macro tracking apps have transformed nutrition logging by combining barcode scanners with massive food databases. With a quick scan, users can instantly log calories, protein, carbs, and fats without manual entry. Behind this simplicity lie complex backend systems, localized food data, and innovative UX design. This article breaks down how these apps work, why […]
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